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本文用有限元法计算了十种形状相同，壁厚不同的车床床身模型受力后的变形情况，并分析了合理壁厚和开孔位置对刚度的影响。
In this paper, ten kinds of lathe bed model with same shape and different wall thickness were calculated by finite element method, and the influence of reasonable wall thickness and hole location on stiffness was analyzed.